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Population & demographics
All demographic data for Oristano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Oristano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Oristano.
Oristano is a medium-sized municipality in the province of Oristano, Sardegna region. With a population of 29.888 inhabitants and a density of 355 per km², it covers an area of 84.1 km². The average declared income is 24.238 €.
Oristano in numbers: the analysis
The average municipality in the province of Oristano has about 1,687 residents: Oristano has 17.7 times as many.
Few municipalities in Sardegna are larger: it ranks no. 7 by population out of 377.
Oristano is the most populous municipality in the province of Oristano, out of 87 in total.
Oristano has grown substantially since 1951: from 16,298 inhabitants then to 29,888 in 2026, an increase of 83.4%.
The ageing index is one of the starkest signals: in Oristano there are 377 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 26,560 inhabitants for Oristano: an expected decline of 11.1% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 30.935 |
| 2020 | 30.708 |
| 2021 | 30.723 |
| 2022 | 30.653 |
| 2023 | 30.447 |
| 2024 | 30.287 |
| 2025 | 30.067 |
| 2026 | 29.888 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 14.157 | 47.4% |
| Women | 15.731 | 52.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 151 |
| 2022 | 123 |
| 2023 | 127 |
| 2024 | 117 |
| 2025 | 90 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 16.298 |
| 1961 | 21.738 |
| 1971 | 26.059 |
| 1981 | 29.424 |
| 1991 | 30.990 |
| 2001 | 31.169 |
| 2011 | 31.155 |
| 2019 | 30.935 |
| 2020 | 30.708 |
| 2021 | 30.723 |
| 2022 | 30.653 |
| 2023 | 30.447 |
| 2024 | 30.287 |
| 2025 | 30.067 |
| 2026 | 29.888 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 27.384 | 45.6% |
| Married | 25.588 | 42.6% |
| Divorced | 2502 | 4.2% |
| Widowed | 4636 | 7.7% |
School-Age Population (2026)
Total 0-18 years: 3332
| Valore | |
|---|---|
| Nido (0-2) | 325 |
| Infanzia (3-5) | 401 |
| Primaria (6-10) | 869 |
| Medie (11-13) | 577 |
| Superiori (14-18) | 1160 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Oristano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/oristano-095038" title="Population pyramid of Oristano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/oristano-095038" alt="Population pyramid of Oristano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>